Stopped using django.utils.unittest in the test suite.

Refs #20680.

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/files/tests.py b/tests/files/tests.py
index f1e3d5b14b..54eeee13e4 100644
--- a/tests/files/tests.py
+++ b/tests/files/tests.py
@@ -4,6 +4,7 @@ import os
 import gzip
 import shutil
 import tempfile
+import unittest
 
 from django.core.cache import cache
 from django.core.files import File
@@ -11,7 +12,6 @@ from django.core.files.move import file_move_safe
 from django.core.files.base import ContentFile
 from django.core.files.uploadedfile import SimpleUploadedFile
 from django.test import TestCase
-from django.utils import unittest
 from django.utils.six import StringIO
 
 from .models import Storage, temp_storage, temp_storage_location